JP3261448B2 - Multi-pole connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing having a cylindrical portion formed on the distal end, an inner peripheral contact having a contact portion disposed on the inner peripheral side of the cylindrical portion, and an outer peripheral side of the cylindrical portion. The present invention relates to a multi-pole connector such as a jack for a headphone with a remote control, which has an outer peripheral contact having a contact portion disposed at the same position.

[0002]

2. Description of the Related Art As disclosed in JP-A-64-63283, a jack for a headphone with a remote control of a portable audio device is provided with a cylindrical housing and a contact arranged on an inner peripheral surface of the housing. An inner peripheral contact having a portion;
An outer contact having a contact portion disposed on the outer peripheral surface of the housing; transmitting an audio signal from the device main body to the headphone (including an earphone) via the inner peripheral contact; A control signal is transmitted to the main body.

[0003]

The above-mentioned headphone jack with remote control allows the use of a headphone without remote control.
The outer peripheral contact is formed in a cylindrical shape (base shape) and is fitted and fixed to the front end portion of the housing. The outer peripheral contact is additionally provided. However, with such a structure,
Since a small jack can be provided with only one outer peripheral contact and a control signal that can be transmitted is limited, there has been a problem that the portable audio device cannot cope with multi-functionality.

The present invention has been made in view of such a conventional problem,
It is an object of the present invention to provide a multi-pole connector in which a plurality of outer contacts are provided in addition to an inner contact and a housing is minimized.

[0005]

SUMMARY OF THE INVENTION The features of the present invention for solving the conventional problems as described above and achieving the intended purpose are as follows.
A plurality of inner and outer contacts each made of a conductive material and in contact with a mating inner contact or a mating outer contact; and a housing made of an insulating material and fixing the inner and outer contacts. A cylindrical portion is formed on the tip side, the inner peripheral contact has a contact portion disposed on the inner peripheral side of the cylindrical portion, and the outer peripheral contact is disposed on the outer peripheral side of the cylindrical portion. Said housing having a contact portion
The front end has a relatively small external projection and a base.
The outer projection with relatively large external dimensions on the end side is molded
In the multi-pole connector comprising:
A plurality of outer peripheral contact fixing portions are provided in a hole shape or a groove shape opened forward, and the plurality of outer peripheral contacts are respectively fitted into the outer peripheral contact fixing portions, and the contact portions are moved forward from the outwardly extending portions. The contact portions of the plurality of outer peripheral contacts are formed in a flat shape.
And are arranged on the outer peripheral side of the forward projecting portion in parallel with each other in the circumferential direction , and in which the inner peripheral contact is fitted.
Outside where the peripheral contact fixing part and the peripheral contact are fitted
Peripheral contact fixing parts are arranged in parallel in the radial direction
Some that were.

A polar guide is provided on the outer periphery of the front end of the forward projection.
It is preferable that the portion is provided in a concave shape opened on the outer peripheral surface and the front surface . It is preferable that the inner contact transmits a standard signal used for a standard device and the outer contact transmits a special signal used for a special device.

[0007]

Embodiments of the present invention will now be described with reference to the drawings. Figure 1-9 is a preferred embodiment of the multipolar connector according to the present invention shows a headphone jack with remote control, in the figure, the housing made of an insulating material such as synthetic resin 10, 30 _A, 30 _B , 30 _C ,
_30D is an inner peripheral contact made of a conductive material such as a copper alloy,
40 _A, 40 _B, 40 _C is an outer peripheral contact made of conductive material such as copper alloy.

As shown in FIG. 2, the housing 10 has a through hole 19 substantially at the center, and is entirely cylindrical from the front end (front end) to the rear end (base end). A forward protruding portion 11 having a small outer diameter (external dimension) and an outwardly extending portion 12 having a relatively large lateral width (external dimension) on the rear end side are integrally formed. Also, the inner diameter of the through hole 19 (the forward projection 1
1 and the inner size of the outward protrusion 12) are substantially uniform from the front end to the rear end, the forward protrusion 11 is formed relatively thin, and the outer protrusion 12 is formed relatively thick. . The through hole 19
The inner peripheral surface (the inner peripheral surface of the forward protruding portion 11 and the outer protruding portion 12) has a substantially circular cross-sectional shape, the outer peripheral surface of the forward protruding portion 11 has a substantially circular cross-sectional shape, and the outer protruding portion 12 has a substantially circular cross-sectional shape. Is formed in a substantially rectangular cross-sectional shape.

In the thickness of the outwardly extending portion 12, a vertically flat groove-like shape which is substantially parallel to the axial direction (front-rear direction) of the through hole 19 and is disposed slightly outside the inner peripheral side surfaces. the inner peripheral contact fixing portions 13 _a, 13 _D is provided so as to open toward the inner peripheral side surfaces and the rear surface, the arrangement of稍下side than the inner peripheral lower surface, the axial direction substantially parallel sideways flat grooved in Inner contact fixing part 1
3 _B is, the inner peripheral contacts are provided with an opening towards the inner peripheral lower surface and the rear surface, the arrangement of稍内side than the outer peripheral side surfaces, the axial direction substantially parallel with the longitudinal direction flat groove (concave) Fixed part 13
_C and 13 _C are provided to open toward the outer peripheral upper surface and the outer peripheral both side surfaces.

In the thickness of the outwardly protruding portion 12, the outer periphery of the vertically protruding flat groove which is substantially parallel to the axial direction and is arranged slightly outwardly with respect to the outer peripheral side surfaces of the forwardly protruding portion 11. Contact fixing part 1
4 _A and 14 _C are provided to be open toward the outer peripheral upper surface and the front surface, and are arranged in a position slightly lower than the outer peripheral lower surface of the forward protruding portion 11 so as to be substantially parallel to the axial direction and have a vertically flat groove shape. the outer peripheral contact fixing portion 14 _B of the is provided with an opening towards the front.

[0011] Then, the vertical direction flat groove-shaped inner peripheral contact fixing portion 13 _A and the outer peripheral contact fixing portion 14 _A and the inner peripheral contact fixing portion 13 _C, the inner peripheral contact fixing portion 13 _D and the outer contact fixing portion 14 _C Inner circumference contact fixing part 13
The _C, are arranged in parallel to each other in the transverse direction from the inner to the outer circumferential side (radially), and sideways flat groove-shaped inner peripheral contact fixing portion 13 _B and the outer peripheral contact fixing portion 14 _B is ,
They are arranged in parallel in the vertical direction (radial direction) from the inner peripheral side to the outer peripheral side. Therefore, the inner peripheral contact fixing portions 13 _A , 1 _A , 1
_{3 B, 13 C, 13 D} , the outer peripheral contact fixing portion 14 _A,
The size of 14 _B , 14 _C is changed to the inner contacts 30 _A , 3
_{0 B, 30 C, 30 D} , the outer peripheral contact 40 _A, 4
0 _B , 40 _C can be secured just enough to fix.

Further, in the thickness of the outer projecting portion 12, the vertical direction groove-like or longitudinal direction hole-shaped terminal protruding portions 15 _A, 15 _B, 1
5 _C , 15 _C , 15 _D , 16 _A , 16 _B , and 16 _C are provided so as to open toward the lower surface of the outer periphery, and upper inner peripheral contact fixing portions 13 _A , 13 _B , 13 _C , respectively 13
_C, 13 _D, the outer peripheral contact fixing portion 14 _A, 14 _B, 1
_Continued to 4C. Further, the outer protrusion 12 is provided with a contact insertion portion 17 in the form of a through hole that opens toward the outer peripheral upper surface and the inner peripheral upper surface. In addition, a polar guide 18 is provided in the upper part of the outer periphery of the front end of the forward protruding part 11 in a concave shape which is open on the outer peripheral upper surface and the front surface.

As shown in FIGS. 3 and 6, the inner circumferential contacts 30 _A and 30 _D have fixed portions 33 _A and 33 _{D in the} shape of a vertically flat plate and a flat flat plate spring, respectively. Contact part 3
5 _A , 35 _D and vertical flat plate-like terminal portions 37 _A , 37
_D is integrally molded. And the inner contact 3
0 contact portion 35 _A of the _A protrudes obliquely from the front center of the fixed portion 33 _A to the rear and the inner side, the inner peripheral contacts 30 _D
The contact portion 35 _D, protrudes obliquely forward and inward direction from the front end of the fixed portion 33 _D, both the terminal portions 37 _A, 3
7 _D protrudes downward from the rear lower end of the fixed portion 33 _A, 33 _D.

Further, the inner peripheral contact 30 _B, as shown in FIG. 4, the horizontal and countercurrent flat plate-shaped fixed portion 33 _B, and sideways flat leaf spring-like contact portion 35 _B, vertical direction flat a plate-like terminal portions 37 _B are integrally formed, projecting obliquely to the contact portion 35 _B is forwardly and upwardly from the front end of the fixed portion 33 _B,
Terminal portion 37 _B is projected downward from the rear end of the fixed portion 33 _B.

Further, the inner peripheral contact 30 _C, as shown in FIG. 5, the horizontal direction flat plate-like base portion 31 _C, the longitudinal direction flat plate-shaped fixed portion 33 _C, 33 _C, a sideways flattened A leaf spring-like contact portion 35 _C and a vertically flat plate-like terminal portion 37 _C , 3
7 and _C and is integrally molded, the base 31 _C fixed portion 33 from both side ends of the _C, 33 protrude _C is downwardly protrudes obliquely from the front end of the base portion 31 _C to the contact portion 35 _C is forward and downward,
From the lower ends of the fixed portions 33 _C , 33 _C , the terminal portions 37 _C , 37
_C protrudes downward.

The inner contacts 30 _A , 30 _B ,
30 _D, respectively, is fitted from the rear on the inner peripheral contact fixing portions 13 _A, 13 _B, 13 _D of the housing 10, as shown in FIG. 1, the contact portions 35 _A, 35 _B, 35 _D of the through-holes 19 than the inner circumferential surface is protruded inward, the terminal portions 37 _A,
The 37 _B, 37 _D from the outer lower surface of the outward protrusion 12 is protruded downward, is fitted to the fixed portion 33 _A, 33 _B, 33 _D to the inner peripheral contact fixing portions 13 _A, 13 _B, 13 _D And fixed to the housing 10.

The inner peripheral contact 30 _C is fitted into the inner peripheral contact fixing portions 13 _C , 13 _C of the housing 10 from above, and covers the base portion 31 on the outer peripheral upper surface of the outwardly projecting portion 12, and covers the contact portion 35 _C. Inserted from the contact projecting portion 17 and made to project inward from the inner peripheral surface of the through hole 19, the terminal portion 37 _C ,
37 _C is projected downward from the outer peripheral lower surface of the outwardly extending portion 12, and the fixed portions 33 _C and 33 _C are connected to the inner peripheral contact fixing portion 1.
It is fixed to the housing 10 in a form fitted to 3 _C and 13 _C. Incidentally, the inner peripheral contact 30 _C is an outer peripheral contact 40 _A, 40 _C (described below) after assembled in the housing 10 is attached to the housing 10.

[0018] On the outer contact _{40 A, 40 B, 40 C} , respectively, 7, 8, 9, a plate-shaped fixed part 43, a leaf spring-like contact portion 45, the plate The terminal part 47 is formed integrally. Then, the outer peripheral contact 40 _A, 40 _C of the fixed portion 43 _A, 43 _C, the contact portion 4
5 _A, 45 _C, the terminal portions 47 _A, 47 _C are longitudinal direction flatly formed, projecting contact portion 45 _A from the front end of the fixed portion 43 _A, 43 _C, 45 _C is towards the front and稍外side, the fixed portion 43 _a, 43 _C lower from the terminal portion 47 _a of, 47 _C projects downward. Further, the fixed portion 43 _B and the contact portion 45 _B of the outer peripheral contact 40 _B are formed in a horizontal flat shape, and the terminal portion 47 _B is formed in a vertical flat shape, and the contact portion 45 _B is located forward from the front end of the fixed portion 43 _B. projects to稍下direction, the fixed portion 43 _B
Terminal portion 47 _B is projected downward from the rear.

The outer contacts 40 _A , 40
_C are inserted into the outer peripheral contact fixing portions 14 _A , 14 _C of the housing 10 from above, respectively, and project the contact portions 45 _A , 45 _C forward from the front surface of the outwardly extending portion 12 as shown in FIG. And connect the terminal portions 47 _A and 47 _C to the outwardly extending portions 1.
From the outer periphery lower surface of 2 to protrude downward, the fixed portion 43 _A, 4
In fitting so it forms a 3 _C on the outer peripheral contact fixing portion 14 _A, 14 _C, and is fixed to the housing 10. The outer peripheral contact 40 _B is fitted from the front to the outer peripheral contact fixing portion 14 _B of the housing 10, the contact portion 45 _B is projected from the front surface of the outer projecting portion 12 forwardly, the terminal portions 47 _B outer Zhang It is projected from the outer peripheral lower surface of the output portion 12 downwardly, in the form of fitted a fixed portion 43 _B on the outer peripheral contact fixing portion 14 _B, and is fixed to the housing 10.

These outer contacts 40 _A ,
The contact portions 45 _A , 45 _B , 45 _C of the projections 40 _B , 40 _C project slightly outward from the outer peripheral surface of the forward projecting portion 11, and are formed on both outer peripheral side surfaces and the outer peripheral lower surface of the forward projecting portion 11. It is arranged in parallel in the direction. Therefore, the projecting length of the other party protrusions 11, in the form of the outer diameter to a minimum, the outer peripheral surface of the other party protrusion 11, a plurality of contact portions 45 _A, 45 _B, the 45 _C can be suitably provided.

FIG. 10 shows an example of a mating connector, which shows a headphone plug with a remote controller. In the drawing, 110 is a mating housing, 130 is a mating inner peripheral contact, 140 _A , 140 _B , 140 _C. Denotes a mating outer peripheral contact.

A mating housing 110 is provided with a cylindrical forward projecting portion 111, and a polar guide portion 118 is provided on an inner peripheral upper surface of the forward projecting portion 111 in a convex shape projecting inward. ing. Then, the mating outer peripheral contacts 140 _A , 140 _B , 140 _C are formed by the leaf spring contact portions 1.
The _{45 A, 145 B, 145 C} , the inner peripheral side surfaces of the other party protrusion 111, the inner peripheral lower surface in a form arranged in parallel to each other in the circumferential direction, and is fixed to the mating housing 110. Further, the mating inner peripheral contact 130 has a contact portion 135 _A ,
135 _B , 135 _C and 135 _D are connected to the insulating parts 136 and 13
6, 136 are arranged in parallel in the axial direction, and are formed in a pin shape, and are fixed to the center portion of the mating housing 110 so as to project forward from the forward projecting portion 111. .

The jack for a headphone with a remote controller constructed as described above is mounted on a device body of a portable audio device, and the plug for a headphone with a remote controller is mounted on a headphone with a remote controller (including an earphone).

In both cases, the polarity guide portions 18 and 118 of the housing 10 and the mating housing 110 are aligned, and the mating inner peripheral contact 130 is inserted into the through hole 19 of the housing 10. The protruding portion 111 is connected so as to cover the forward protruding portion 11 of the housing 10. Then, the contact portions 135 _A , 135 _B , 135 _C , and 135 of the counterpart inner peripheral contact 130 are formed.
_D are the inner contacts 30 _A , 30 _B , 30
_C, 30 _D of the contact portion 35 _A, 35 _B, into contact with 35 _C, 35 _D, mating outer peripheral contact 140 _A, 140 _B, 1
40 _C of the contact portion 145 _A, 145 _B, 145 _C, respectively, the outer peripheral contact 40 _A, 40 _B, the contact portion 45 of the _C
Contacting the _A, 45 _B, 45 _C.

The inner peripheral contacts 30 _A , 30 _B ,
30 _C, 30 _D, is transmitted voice signal from the instrument body to a headphone via the mating inner contact 130, the outer peripheral contact _{40 A, 40 B, 40 C} , mating outer peripheral contact 140 _A, 140 _B, the 140 _C A control signal is transmitted from the remote controller to the main device via the remote controller. Therefore, various types of control signals can be suitably transmitted from the remote controller to the main body of the apparatus, and it is possible to suitably cope with multi-functionalization of portable audio equipment and the like. Also, a plug for headphones without remote control can be connected to the jack for headphones with remote control.

In the above-described embodiment, the outer peripheral contact fixing portion is formed in a vertically flat and horizontally flat groove shape, and the outer peripheral contact fixing portion is provided on both sides and below the forward projecting portion. However, the outer peripheral contact fixing portion may be formed in, for example, a hole shape, and a larger number of outer peripheral contact fixing portions may be provided. Further, in the above-described embodiment, the case where the present invention is applied to a headphone jack with a remote control is described. However, the present invention can be applied to other connectors and is suitable for a connector of a portable electric device or the like.

[0027]

As described above, in the multipolar connector according to the present invention, the housing is provided with a forwardly projecting portion having a relatively small outer dimension at the distal end side and an outer peripheral projecting portion having a relatively large outer diameter at the proximal end side. Are formed, and a plurality of outer peripheral contact fixing portions are provided in a hole shape or a groove shape opened to the distal end side on the outer peripheral projecting portion, and the plurality of outer peripheral contacts are respectively fitted into the outer peripheral contact fixing portions to remove the contact portions. Provision is made to protrude forward from the overhanging portion, the contact portions of the plurality of outer peripheral contacts are formed flat, and arranged on the outer peripheral side of the forward protruding portion in parallel with each other in the circumferential direction, so that the housing A plurality of outer contacts can be suitably provided in a form having the smallest external dimensions, and it is possible to suitably cope with multifunctionalization of a portable electric device or the like.

Also, the outer contact to which the outer contact is fitted and the inner contact fixing portion to which the inner contact is fitted are arranged in parallel in the radial direction, so that the outer contact fixing portion and the inner contact fixing are arranged. The size of the portion can be sufficiently ensured, and the contact can be suitably fixed.

Further, a standard signal used for standard equipment such as a voice signal is transmitted via an inner contact, and a special signal used for special equipment such as a control signal is transmitted via an outer contact. By doing so, a jack for a headphone with a remote control or the like that can be used as a standard specification device such as a headphone without a remote control and a special specification device such as a headphone with a remote control can be configured.

[Brief description of the drawings]

FIG. 1 is a front view (a) and a side view (b) showing an embodiment (headphone jack with remote control) of a multipolar connector according to the present invention.

2 is a plan view (a), a front view (b), a bottom view (c), and a rear view (d) of the housing in FIG.

3 is a plan view (a), a side view (b), and a rear view (c) of a first inner peripheral contact in FIG.

4 is a plan view (a), a side view (b), and a rear view (c) of a second inner peripheral contact in FIG.

FIG. 5 is a plan view (a), a front view (b), and a side view (c) of a third inner peripheral contact in FIG.

FIG. 6 is a plan view (a), a side view (b), and a rear view (c) of a fourth inner peripheral contact in FIG.

7A is a plan view, FIG. 7B is a front view, FIG. 7B is a front view, FIG.

8 is a plan view (a), a front view (b), and a side view (c) of a second outer peripheral contact in FIG.

9 is a plan view (a), a front view (b), and a side view (c) of a third outer peripheral contact in FIG.

10A and 10B are a front view and a side view showing a mating connector (plug for headphone with remote control).

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 housing 11 forward projecting portion 12 outward projecting portion 13 inner peripheral contact fixing portion 14 outer peripheral contact fixing portion 15, 16 terminal protruding portion 17 contactor insertion portion 18 polarity guide portion 19 through hole 30 inner peripheral contact 31 base 33 fixed Part 35 contact part 37 terminal part 40 outer peripheral contact 43 fixed part 45 contact part 47 terminal part 110 mating housing 111 forward protruding part 118 polarity guide part 130 mating inner contact 135 mating contact 136 insulating part 140 mating outer contact 145 Contact part

Claims (3)

(57) [Claims] A plurality of inner and outer contacts made of a conductive material and in contact with a mating inner or outer contact, respectively, and a housing made of an insulating material and fixing the inner and outer contacts. A cylindrical portion is formed on the distal end side of the housing, the inner peripheral contact has a contact portion disposed on an inner peripheral side of the cylindrical portion, and the outer peripheral contact is an outer periphery of the cylindrical portion. With contacts located on the side , front
The housing has a relatively small tip on the tip side.
Outwardly projecting part and relatively large outside dimension on the base end
In the multi-pole connector, a plurality of outer peripheral contact fixing portions are provided in a hole shape or a groove shape that opens forward, and a plurality of the outer peripheral contacts are respectively provided in the outer protruding portion. The contact portion is fitted in a contact fixing portion, and the contact portion is provided so as to protrude forward from the outwardly extending portion. The contact portions of the plurality of outer peripheral contacts are formed flat, and the outer peripheral side of the forward projecting portion is provided. The inner circumferential contours are arranged in parallel with each other in the circumferential direction.
Inner contact fixing portion and outer contour into which the connector is inserted
The outer contact fixing parts into which
A multi-pole connector characterized by being arranged side by side . 2. A polar guide portion is provided on the outer periphery of the front end of the forward projecting portion.
The multipolar connector according to claim 1, wherein the multipolar connector is provided in a concave shape opened on the outer peripheral surface and the front surface . 3. The multi-pole connector according to claim 1, wherein the inner contact transmits a standard signal used for a standard device, and the outer contact transmits a special signal used for a special device. .